Polar Shield Dog Blanket
600 ripstop waterproof poly outer shell with 200 gram poly fill. Breathable 210 lining. Double buckle front, adjustable belly-wrap with quick-grip closures and cut out for tail. Shoulder gussets allow freedom of movement.Sizes: XS (12-14), Small (up to 19), Medium (up to 25), Large (up to 31), XLG (up to 37).
http://www.nationalbridle.com/Shopping/default.asp*********************************************************************
Turnout Dog Blanket (This one is made like a horse blanket.)
Surcingles for a secure fit. Nylon outer shell lined with warm fleece. Bias surcingles and front strap for adjustability. USA. In navy/red or navy/green. Sizes are measured from center of chest to back of hip. XS(16"), S(18"), M(21").
http://www.doversaddlery.com/product.asp?pn=X1%2D5407*********************************************************************
Dogwarm USA Tradewinds II Blanket
Heavyweight Thinsulate thermal insulation with ripstop nylon lining and water-repellent outer fabric of nylon Scotchlite. Convenient Velcro¨ tab closures for comfortable fit. Reflective piping. Machine wash; line dry. Recommended for temperatures -10 degrees F to +40 degrees F. In purple/hunter, navy/hunter or hunter/navy. XS, S, S/M
http://www.doversaddlery.com/product.asp?pn=X1%2D24192 edit: replace bad National Bridle Shop link